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-rw-r--r--tools/testing/selftests/bpf/Makefile99
1 files changed, 64 insertions, 35 deletions
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index c085964e1d05..6889c19a628c 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -17,6 +17,7 @@ LLC ?= llc
LLVM_OBJCOPY ?= llvm-objcopy
LLVM_READELF ?= llvm-readelf
BTF_PAHOLE ?= pahole
+BPF_GCC ?= $(shell command -v bpf-gcc;)
CFLAGS += -g -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(BPFDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include \
-Dbpf_prog_load=bpf_prog_test_load \
-Dbpf_load_program=bpf_test_load_program
@@ -28,12 +29,14 @@ TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test
test_sock test_btf test_sockmap get_cgroup_id_user test_socket_cookie \
test_cgroup_storage test_select_reuseport test_section_names \
test_netcnt test_tcpnotify_user test_sock_fields test_sysctl test_hashmap \
- test_btf_dump test_cgroup_attach xdping test_sockopt test_sockopt_sk \
- test_sockopt_multi test_tcp_rtt
+ test_btf_dump test_cgroup_attach xdping
BPF_OBJ_FILES = $(patsubst %.c,%.o, $(notdir $(wildcard progs/*.c)))
TEST_GEN_FILES = $(BPF_OBJ_FILES)
+BTF_C_FILES = $(wildcard progs/btf_dump_test_case_*.c)
+TEST_FILES = $(BTF_C_FILES)
+
# Also test sub-register code-gen if LLVM has eBPF v3 processor support which
# contains both ALU32 and JMP32 instructions.
SUBREG_CODEGEN := $(shell echo "int cal(int a) { return a > 0; }" | \
@@ -44,6 +47,10 @@ ifneq ($(SUBREG_CODEGEN),)
TEST_GEN_FILES += $(patsubst %.o,alu32/%.o, $(BPF_OBJ_FILES))
endif
+ifneq ($(BPF_GCC),)
+TEST_GEN_FILES += $(patsubst %.o,bpf_gcc/%.o, $(BPF_OBJ_FILES))
+endif
+
# Order correspond to 'make run_tests' order
TEST_PROGS := test_kmod.sh \
test_libbpf.sh \
@@ -63,12 +70,14 @@ TEST_PROGS := test_kmod.sh \
test_tcp_check_syncookie.sh \
test_tc_tunnel.sh \
test_tc_edt.sh \
- test_xdping.sh
+ test_xdping.sh \
+ test_bpftool_build.sh
TEST_PROGS_EXTENDED := with_addr.sh \
with_tunnels.sh \
tcp_client.py \
- tcp_server.py
+ tcp_server.py \
+ test_xdp_vlan.sh
# Compile but not part of 'make run_tests'
TEST_GEN_PROGS_EXTENDED = test_libbpf_open test_sock_addr test_skb_cgroup_id_user \
@@ -101,17 +110,13 @@ $(OUTPUT)/test_socket_cookie: cgroup_helpers.c
$(OUTPUT)/test_sockmap: cgroup_helpers.c
$(OUTPUT)/test_tcpbpf_user: cgroup_helpers.c
$(OUTPUT)/test_tcpnotify_user: cgroup_helpers.c trace_helpers.c
-$(OUTPUT)/test_progs: trace_helpers.c
+$(OUTPUT)/test_progs: cgroup_helpers.c trace_helpers.c
$(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c
$(OUTPUT)/test_cgroup_storage: cgroup_helpers.c
$(OUTPUT)/test_netcnt: cgroup_helpers.c
$(OUTPUT)/test_sock_fields: cgroup_helpers.c
$(OUTPUT)/test_sysctl: cgroup_helpers.c
$(OUTPUT)/test_cgroup_attach: cgroup_helpers.c
-$(OUTPUT)/test_sockopt: cgroup_helpers.c
-$(OUTPUT)/test_sockopt_sk: cgroup_helpers.c
-$(OUTPUT)/test_sockopt_multi: cgroup_helpers.c
-$(OUTPUT)/test_tcp_rtt: cgroup_helpers.c
.PHONY: force
@@ -137,16 +142,19 @@ endif
#
# Use '-idirafter': Don't interfere with include mechanics except where the
# build would have failed anyways.
-CLANG_SYS_INCLUDES := $(shell $(CLANG) -v -E - </dev/null 2>&1 \
+define get_sys_includes
+$(shell $(1) -v -E - </dev/null 2>&1 \
| sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }')
+endef
+CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG))
+BPF_CFLAGS = -I. -I./include/uapi -I../../../include/uapi \
+ -I$(OUTPUT)/../usr/include -D__TARGET_ARCH_$(SRCARCH)
-CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \
- $(CLANG_SYS_INCLUDES) \
- -Wno-compare-distinct-pointer-types \
- -D__TARGET_ARCH_$(SRCARCH)
+CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \
+ -Wno-compare-distinct-pointer-types
-$(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline
-$(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline
+$(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline
+$(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline
$(OUTPUT)/test_queue_map.o: test_queue_stack_map.h
$(OUTPUT)/test_stack_map.o: test_queue_stack_map.h
@@ -163,12 +171,12 @@ BTF_LLVM_PROBE := $(shell echo "int main() { return 0; }" | \
/bin/rm -f ./llvm_btf_verify.o)
ifneq ($(BTF_LLVM_PROBE),)
- CLANG_FLAGS += -g
+ BPF_CFLAGS += -g
else
ifneq ($(BTF_LLC_PROBE),)
ifneq ($(BTF_PAHOLE_PROBE),)
ifneq ($(BTF_OBJCOPY_PROBE),)
- CLANG_FLAGS += -g
+ BPF_CFLAGS += -g
LLC_FLAGS += -mattr=dwarfris
DWARF2BTF = y
endif
@@ -194,7 +202,7 @@ $(ALU32_BUILD_DIR)/test_progs_32: test_progs.c $(OUTPUT)/libbpf.a\
| $(ALU32_BUILD_DIR)
$(CC) $(TEST_PROGS_CFLAGS) $(CFLAGS) \
-o $(ALU32_BUILD_DIR)/test_progs_32 \
- test_progs.c test_stub.c trace_helpers.c prog_tests/*.c \
+ test_progs.c test_stub.c cgroup_helpers.c trace_helpers.c prog_tests/*.c \
$(OUTPUT)/libbpf.a $(LDLIBS)
$(ALU32_BUILD_DIR)/test_progs_32: $(PROG_TESTS_H)
@@ -202,8 +210,8 @@ $(ALU32_BUILD_DIR)/test_progs_32: prog_tests/*.c
$(ALU32_BUILD_DIR)/%.o: progs/%.c $(ALU32_BUILD_DIR)/test_progs_32 \
| $(ALU32_BUILD_DIR)
- ($(CLANG) $(CLANG_FLAGS) -O2 -target bpf -emit-llvm -c $< -o - || \
- echo "clang failed") | \
+ ($(CLANG) $(BPF_CFLAGS) $(CLANG_CFLAGS) -O2 -target bpf -emit-llvm \
+ -c $< -o - || echo "clang failed") | \
$(LLC) -march=bpf -mattr=+alu32 -mcpu=$(CPU) $(LLC_FLAGS) \
-filetype=obj -o $@
ifeq ($(DWARF2BTF),y)
@@ -211,10 +219,37 @@ ifeq ($(DWARF2BTF),y)
endif
endif
+ifneq ($(BPF_GCC),)
+GCC_SYS_INCLUDES = $(call get_sys_includes,gcc)
+IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \
+ grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__')
+ifeq ($(IS_LITTLE_ENDIAN),)
+MENDIAN=-mbig-endian
+else
+MENDIAN=-mlittle-endian
+endif
+BPF_GCC_CFLAGS = $(GCC_SYS_INCLUDES) $(MENDIAN)
+BPF_GCC_BUILD_DIR = $(OUTPUT)/bpf_gcc
+TEST_CUSTOM_PROGS += $(BPF_GCC_BUILD_DIR)/test_progs_bpf_gcc
+$(BPF_GCC_BUILD_DIR):
+ mkdir -p $@
+
+$(BPF_GCC_BUILD_DIR)/urandom_read: $(OUTPUT)/urandom_read | $(BPF_GCC_BUILD_DIR)
+ cp $< $@
+
+$(BPF_GCC_BUILD_DIR)/test_progs_bpf_gcc: $(OUTPUT)/test_progs \
+ | $(BPF_GCC_BUILD_DIR)
+ cp $< $@
+
+$(BPF_GCC_BUILD_DIR)/%.o: progs/%.c $(BPF_GCC_BUILD_DIR)/test_progs_bpf_gcc \
+ | $(BPF_GCC_BUILD_DIR)
+ $(BPF_GCC) $(BPF_CFLAGS) $(BPF_GCC_CFLAGS) -O2 -c $< -o $@
+endif
+
# Have one program compiled without "-target bpf" to test whether libbpf loads
# it successfully
$(OUTPUT)/test_xdp.o: progs/test_xdp.c
- ($(CLANG) $(CLANG_FLAGS) -O2 -emit-llvm -c $< -o - || \
+ ($(CLANG) $(BPF_CFLAGS) $(CLANG_CFLAGS) -O2 -emit-llvm -c $< -o - || \
echo "clang failed") | \
$(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@
ifeq ($(DWARF2BTF),y)
@@ -222,8 +257,8 @@ ifeq ($(DWARF2BTF),y)
endif
$(OUTPUT)/%.o: progs/%.c
- ($(CLANG) $(CLANG_FLAGS) -O2 -target bpf -emit-llvm -c $< -o - || \
- echo "clang failed") | \
+ ($(CLANG) $(BPF_CFLAGS) $(CLANG_CFLAGS) -O2 -target bpf -emit-llvm \
+ -c $< -o - || echo "clang failed") | \
$(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@
ifeq ($(DWARF2BTF),y)
$(BTF_PAHOLE) -J $@
@@ -236,18 +271,12 @@ PROG_TESTS_H := $(PROG_TESTS_DIR)/tests.h
PROG_TESTS_FILES := $(wildcard prog_tests/*.c)
test_progs.c: $(PROG_TESTS_H)
$(OUTPUT)/test_progs: CFLAGS += $(TEST_PROGS_CFLAGS)
-$(OUTPUT)/test_progs: test_progs.c $(PROG_TESTS_H) $(PROG_TESTS_FILES)
+$(OUTPUT)/test_progs: test_progs.c $(PROG_TESTS_FILES) | $(PROG_TESTS_H)
$(PROG_TESTS_H): $(PROG_TESTS_FILES) | $(PROG_TESTS_DIR)
$(shell ( cd prog_tests/; \
echo '/* Generated header, do not edit */'; \
- echo '#ifdef DECLARE'; \
ls *.c 2> /dev/null | \
- sed -e 's@\([^\.]*\)\.c@extern void test_\1(void);@'; \
- echo '#endif'; \
- echo '#ifdef CALL'; \
- ls *.c 2> /dev/null | \
- sed -e 's@\([^\.]*\)\.c@test_\1();@'; \
- echo '#endif' \
+ sed -e 's@\([^\.]*\)\.c@DEFINE_TEST(\1)@'; \
) > $(PROG_TESTS_H))
MAP_TESTS_DIR = $(OUTPUT)/map_tests
@@ -257,7 +286,7 @@ MAP_TESTS_H := $(MAP_TESTS_DIR)/tests.h
MAP_TESTS_FILES := $(wildcard map_tests/*.c)
test_maps.c: $(MAP_TESTS_H)
$(OUTPUT)/test_maps: CFLAGS += $(TEST_MAPS_CFLAGS)
-$(OUTPUT)/test_maps: test_maps.c $(MAP_TESTS_H) $(MAP_TESTS_FILES)
+$(OUTPUT)/test_maps: test_maps.c $(MAP_TESTS_FILES) | $(MAP_TESTS_H)
$(MAP_TESTS_H): $(MAP_TESTS_FILES) | $(MAP_TESTS_DIR)
$(shell ( cd map_tests/; \
echo '/* Generated header, do not edit */'; \
@@ -278,7 +307,7 @@ VERIFIER_TESTS_H := $(VERIFIER_TESTS_DIR)/tests.h
VERIFIER_TEST_FILES := $(wildcard verifier/*.c)
test_verifier.c: $(VERIFIER_TESTS_H)
$(OUTPUT)/test_verifier: CFLAGS += $(TEST_VERIFIER_CFLAGS)
-$(OUTPUT)/test_verifier: test_verifier.c $(VERIFIER_TESTS_H)
+$(OUTPUT)/test_verifier: test_verifier.c | $(VERIFIER_TEST_FILES) $(VERIFIER_TESTS_H)
$(VERIFIER_TESTS_H): $(VERIFIER_TEST_FILES) | $(VERIFIER_TESTS_DIR)
$(shell ( cd verifier/; \
echo '/* Generated header, do not edit */'; \
@@ -288,6 +317,6 @@ $(VERIFIER_TESTS_H): $(VERIFIER_TEST_FILES) | $(VERIFIER_TESTS_DIR)
echo '#endif' \
) > $(VERIFIER_TESTS_H))
-EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(ALU32_BUILD_DIR) \
+EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(ALU32_BUILD_DIR) $(BPF_GCC_BUILD_DIR) \
$(VERIFIER_TESTS_H) $(PROG_TESTS_H) $(MAP_TESTS_H) \
feature